Security readout for executives and security teams
Plain-English summary
AIDA64 Business 5.99.4900 has a memory corruption flaw that can let a local attacker run code with the application’s privileges. This matters where AIDA64 is installed on user workstations or admin systems. A public exploit reference exists, but the provided sources do not show CISA KEV listing or confirmed active exploitation.
Executive priority
Prioritize identification and remediation on privileged or shared Windows systems. This is not described as remotely exploitable from the internet, but public exploit information and code execution impact make it unsuitable to leave unaddressed in managed environments.
Technical view
The issue is a structured exception handling buffer overflow, categorized as CWE-787, in AIDA64 Business 5.99.4900. The source description says malicious input in SMTP display name fields within preferences or report wizard functionality can overwrite SEH pointers and execute code with application privileges. CVSS v4.0 score is 8.6 with local attack vector.
Likely exposure
Exposure is limited to systems running AIDA64 Business version 5.99.4900. The attack vector is local, so internet-facing exposure is not indicated by the provided sources. Risk is higher on shared endpoints, administrator workstations, and systems where untrusted local users can access the application.
Exploitation context
ExploitDB and VulnCheck references indicate public exploit information exists. The provided bundle does not show CISA KEV inclusion, confirmed ransomware use, or active exploitation. Because the flaw can lead to arbitrary code execution locally, treat affected installations as important to identify and update.
Researcher notes
Evidence is specific to AIDA64 Business 5.99.4900. The provided sources name the vulnerable input areas and SEH overwrite behavior, but do not provide a vendor advisory, fixed version, or active exploitation confirmation. Avoid broad assumptions about other AIDA64 editions or versions without additional evidence.
Mitigation direction
- Inventory endpoints for AIDA64 Business 5.99.4900.
- Check AIDA64 vendor downloads and guidance for a fixed version.
- Upgrade affected installations if a newer vendor-supported release is available.
- Restrict local access to systems running the affected version.
- Remove the software where it is no longer operationally required.
Validation and detection
- Confirm installed AIDA64 Business version on managed endpoints.
- Review software inventory for version 5.99.4900 specifically.
- Check whether the application is present on privileged administrator workstations.
- Verify remediation by confirming the installed version changed or software was removed.
- Monitor vendor and VulnCheck references for updated remediation details.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-787: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2019-25631 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.6 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
8.6HighVector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-46639CVE reference · exploit
- Official Product HomepageCVE reference · product
- Product ReferenceCVE reference · product
- VulnCheck Advisory: AIDA64 Business 5.99.4900 SEH Buffer Overflow via EggHunterCVE reference · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.